CSV Bulk Import of Issue Link completes w/o error with no links imported

[Jeff Abbott]

I am importing multiple link columns in csv:

Issue key

Issue id

Summary

Blocks

Parent-Child

Cloners

Dependency

Derives

Duplicate

Follows

Implements

Issue split

Reference

Relates

SDO-1422

Issue Link Test 1

SDO-1423

SDO-1423

SDO-1423

SDO-1423

SDO-1423

SDO-1423

SDO-1423

SDO-1423

SDO-1423

SDO-1423

SDO-1423

Log file end:

2025-10-28T12:50:06,630 INFO - ------------------------------
2025-10-28T12:50:06,630 INFO - Importing: Issue Links & Subtasks
2025-10-28T12:50:06,630 INFO - ------------------------------
2025-10-28T12:50:06,630 INFO - Only new items will be imported
2025-10-28T12:50:06,645 INFO - ------------------------------
2025-10-28T12:50:06,645 INFO - Finished Importing : Issue Links & Subtasks
2025-10-28T12:50:06,645 INFO - ------------------------------
2025-10-28T12:50:06,645 INFO - No issues need to be reindexed.

Configuration file used:
{
"config.version" : "2.0",
"config.project.from.csv" : "false",
"config.encoding" : "UTF-8",
"config.email.suffix" : "@",
"config.field.mappings" : {
"Follows" : {
"link.type" : "10205"
},
"Cloners" : {
"link.type" : "10001"
},
"Relates" : {
"link.type" : "10003"
},
"Blocks" : {
"link.type" : "10000"
},
"Issue key" : {
"jira.field" : "issuekey"
},
"Issue split" : {
"link.type" : "10207"
},
"Reference" : {
"link.type" : "10208"
},
"Parent-Child" : {
"link.type" : "10202"
},
"Dependency" : {
"link.type" : "10203"
},
"Implements" : {
"link.type" : "10206"
},
"Derives" : {
"link.type" : "10204"
},
"Summary" : {
"jira.field" : "summary"
},
"Duplicate" : {
"link.type" : "10002"
}
},
"config.value.mappings" : { },
"config.delimiter" : ",",
"config.project" : {
"project.type" : null,
"project.key" : "SDO",
"project.description" : null,
"project.url" : null,
"project.name" : "Sec Dev Ops Jira Migration",
"project.lead" : null
},
"config.date.format" : "dd/MMM/yy h:mm a",
"config.create.and.assign.default.project.role" : "false"
}

[Jeff Abbott]

Note that this KB article is what I used to stage this import test:
https://confluence.atlassian.com/jirakb/how-to-import-issue-links-from-a-csv-file-in-jira-740262715.html